rursiradiate
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English[edit]
Etymology[edit]
Ultimately from Latin rūrsus + radiate.
Adjective[edit]
rursiradiate (not comparable)
- (malacology, of the ribs of a cephalopod shell) Inclined backward.
- 2016 January 14, “Paleobiology of the Latest Tithonian (Late Jurassic) Ammonite Salinites grossicostatum Inferred from Internal and External Shell Parameters”, in PLOS ONE[1], :
- They are rursiradiate on the middle of the flank and become prorsiradiate towards the venter.